GoTitan Botnet – Ongoing Exploitation on Apache ActiveMQ

This past October, Apache issued a critical advisory addressing CVE-2023-46604, a vulnerability involving the deserialization of untrusted data in Apache. On November 2, the Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2023-46604 to its known exploited list, KEV Catalog, indicating Read More …

Cisco aids Ukraine in cyber defense with modified switches to counter Russian attacks

Cisco has proactively shipped modified switches to Ukrenergo, the state-owned electricity grid operator in Ukraine, to bolster its defenses against Russian cyberattacks targeting energy infrastructure. These attacks have included the use of GPS-jamming tactics, which disrupt the high-voltage energy subsystems Read More …

SysAid path traversal vulnerability

SonicWall Capture Labs Threat Research Team became aware of the SysAid path traversal vulnerability, assessed its impact and developed mitigation measures for the vulnerability. On November 8, 2023, SysAid, an IT service management company, disclosed CVE-2023-47426, which is a zero-day Read More …

#StopRansomware: LockBit 3.0 Ransomware Affiliates Exploit CVE 2023-4966 Citrix Bleed Vulnerability

The Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), Multi-State Information Sharing & Analysis Center (MS-ISAC), and Australian Signals Directorate’s Australian Cyber Security Center (ASD’s ACSC) are releasing this joint Cybersecurity Advisory (CSA) to disseminate IOCs, TTPs, Read More …

Hackers accessed sensitive health data of Welltok patients

Hackers accessed the personal data of more than a million people by exploiting a security vulnerability in a file transfer tool used by Welltok, the healthcare platform owned by Virgin Pulse. Welltok, a Denver-based patient engagement company that works with Read More …

Zimbra 0-day used to target international government organizations

In June 2023, Google’s Threat Analysis Group (TAG) discovered an in-the-wild 0-day exploit targeting Zimbra Collaboration, an email server many organizations use to host their email. Since discovering the 0-day, now patched as CVE-2023-37580, TAG has observed four different groups Read More …

Update now! Microsoft patches 3 actively exploited zero-days

Another important update round for this month’s Patch Tuesday. Microsoft has patched a total of 63 vulnerabilities in its operating systems. Five of these vulnerabilities qualify as zero-days, with three listed as being actively exploited. Microsoft considers a vulnerability to Read More …

Executing from Memory Using ActiveMQ CVE-2023-46604

Huntress Labs, Rapid7, and ArticWolf all recently published reports of threat actors exploiting ActiveMQ CVE-2023-46604 to drop ransomware onto the victim host. The attackers used CVE-2023-46604 to invoke cmd.exe followed by curl.exe or msiexec.exe in order to download and execute Read More …

In-depth analysis of July 2023 exploit chain featuring CVE-2023-36884 and CVE-2023-36584

During their analysis of a July 2023 campaign targeting groups supporting Ukraine’s admission into NATO, Unit 42 researchers discovered a new vulnerability for bypassing Microsoft’s Mark-of-the-Web (MotW) security feature. This activity has been attributed by the community to the pro-Russian Read More …